— 286 — 
b. Leaves long-acuminate with subpercurrent costa) the 
lower distant. Capsule with rostellate lid. 
10.W.Sullivantii Schimper. — Astomum Sch.; Sull. icon. m.; 
Weisia Kindb. 
Capsule globose; pedicel shorter. — Clover-fields r. Amer. 
U. S.: Sullivant, com. €. Mueller; Mohr, com. Macoun: 
11.W.nitidula Schimper. — Astomum Sch.; Weisia Kindb. - 
"Capsule: ovoid; pedicel much longer. — Amer. r. U. S»: 
Sullivant icon. m. l 
* W.Drummondii Kindb. — Systegium cat. Can. m. 
Capsule subglobose; pedicel 3—4 times longer, nearly emer- 
ging above upper leaves. — Amer. r. Can.: Drummond, com. 
Macoun. 
€. Leaves crowded: upper long-acuminate, lower short-acu- 
minate; costa subpercurrent. Capsule with thick short obtuse 
point. i 
12.W.Ludoviciæ Sullivant. — Astomum Sull. ic. m.; Weisia 
Kindb. 
Capsule suboval; pedicel often somewhat longer. — Amer. r. 
»U. S.»: Sullivant. 
IV. Hymenostomum R. Brown. 
A. Pedicel short. Stem finally decumbent. Leaves not 
involute. 
13.W.squarrosa Esenbeck et Hornschuch. — Hymenostomum 
Es. et Hornsch; Weisia C. M. 
Capsule with somewhat small mouth. Plants very small — 
Clay fields and banks r. Eur. France: Husnot. Germany: 
Dreesen. ij 
B. Pedicel elongate, Stem erect. Leaves involute. P 
t mice Hedwig. —  Gymnostomum  H.; Weisia 
Leaves us. not strongly involute above; costa pale faint. 
Capsule with very small mouth, often asymmetric. — Banks 
and barren fields. Eur. not uncommon. Sweden, Spain ete. 
Alias Schweegrichen. — Gymnostomum Schw.; Weisia - 
Leaves less involute; costa stout finally brown. Capsule | 
symmetric with somewhat wide mouth. — Limestone rocks 
and walls t. Eur. Switzerl.! France: Boulay. Engl.: Rogers. 
V. Eu-Weisia. ari 
A. Perichetial leaves obtuse short convolute. Other leaves | 
with not distinctly exeurrent costa, not involute. " 
